Registration Dossier

Diss Factsheets

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Algal growth inhibition study, OECD 201, 72hr ErC50 = 3.5 mg/L, ErC10 = 1.5 mg/L, NOEC= 0.43 mg/L

Daphnia acute immobilization study, OECD 202, 48hr EC50 = 3.1 mg/L

Additional information

In the table below the acute aquatic toxicity data are summarised

 Species  Guideline  Result in mg/l


Pseudokirchneriella subcapitata



EC50 growth rate: 3.5 mg/L

EC10 growth rate: 1.5 mg/L

NOEC: 0.43 mg/L

Based on initial measured concentration

 Key study, Rel 1,

 Daphnia maga

 OECD TG 202

 EC50 48h: 3.1 mg/L

average measured concentrations of

the freshly prepared media only


Key study, Rel 1,